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Jurnal Penelitian Pertanian Terapan

JPPT
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Published by Politeknik Negeri Lampung

ISSN : 14105020 EISSN : 24071781 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Penelitian Pertanian Terapan is a peer-reviewed journal that publishes scientific articles from agricultural disciplines covering Plantation crops, Food crops and horticulture, food Technology, Agriculture biology and agribusiness. Articles published in the Journal of Applied Agriculture may be research results (original) and scientific review articles (review). Applied Journal of Agriculture is published by Research Unit and Community Service of Lampung State Polytechnic Society 3 edition one year, that is January, May, and September. JPPT was first published in January 2000. JPPT published a print version in 2007, then started the online version or Open Journal System (OJS) in 2014. Early online versions of JPPT or OJS editing have not yet been fully implemented online management and are beginning to make improvements Web Journal view and journal cover and OJS governance management on Volume 2 No. 2 of 2017. JPPT has been indexed on Google Scholar and Garuda IPI by 2015, and by 2017 it has indexed SINTA and registered DOAJ and Crossref in the same year. We accept submissions from all over Indonesia. All submitted articles will not be published elsewhere, original and not considered for other publications.

Arjuna Subject : -

Articles 759 Documents

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Pengaruh Jenis dan Tingkat Kerapatan Gulma Terhadap Pertumbuhan dan Produksi Tanaman Sorgum (Sorghum Bicolor L.) Anggeraini, Dita; Sembodo, Dad R.J.; Sunyoto, Sunyoto
Jurnal Penelitian Pertanian Terapan Vol 16, No 1 (2016)
Publisher : Politeknik Negeri Lampung.

Sorghum is one of serealia plants that have a big potential to be developed. Sorghum is beneficial as a source of food, animal feed, as well as various industrial raw materials. Sorghum is potential to be developed with the application of proper cultivation, one of them is optimal maintenance. The lack of maintenance cause low production. One of maintenance is weed control. Weeds can create a competition with cultivation plants to fight means growing. Type and weed density are influence growth a development of sorghum. The purpose of this research is to know: (1) The influence of type of weeds to growth and production of sorghum plants, (2) The influence of weeds density to growth and production of sorghum plant, and (3) There is interaction between type and weeds density when influence the growth of weeds, also growth and production of sorghum plants. This research is done in South Lampung and weeds laboratory University of Lampung on December 2014 - April 2015. Treatments arranged in a factorial strip plot design with three replications. The first factor is three types of weeds, that are Asystasia gangetica, Cyperus rotundus, and Rottboelia exaltata. The second factor is density 0, 10, 20, 40, and 80 weeds/m2. If assumption are met, the data is analyzed by using variance analysis and followed by a least significant difference (LSD) 5%. The result shows: (1) The type of weeds influence growth and yield component of plant height and steam diameter 3 WAP, fresh weight and dry stover, also weight of 100 grains on water content) WC14%, (2) The density of 80 weeds/m2 influence the height a plant 3 and 9 WAP, number of leaves 6 MST, steam diameter 3, 6, and 9 WAP, weight of fresh stover plant, weight of 100 grains on water content 14%, weight of sorghum seed, and (3) There is no interaction between the type and weeds density when influence growth and sorghum production, but there is interaction when influence the growth of weeds. Keyword: sorghum, weeds, competition

DUKUNGAN TEKNOLOGI PENGEMBANGAN KEDELAI DI SUMATERA BARAT (Technological Support of Development Soybean in West Sumatra) Atman, Atman
Jurnal Penelitian Pertanian Terapan Vol 11, No 3 (2011)
Publisher : Politeknik Negeri Lampung.

Soybean production in the province West Sumatra from 1996 until 2009 does not seem stable from year to year and even a drastic decrease, reaching 76%. Soybean productivity is still low (range from 1.10 to 1.69 t/ha) compared to its potential and abroad that can reach 2.5 to 3 t/ha with a harvest area fluctuates very significantly. Meanwhile, the need for raw materials by the company's soybean processing tahu/tempe enough large, which is 241.05 tons per month, or 2,892.6 tons per year. This article contains about the problems of soybean and technological support for the development of soybean (low land and dry land) in West Sumatra. The methodology of writing a book study (literature) on soybean commodity that comes from books, proceedings, journals, papers and others. The result, soybean development strategy in the province of West Sumatra can be directed at three main agro-ecosystem, namely: irrigated land, rainfall land and dry land. However, in the lowland rice (43 817 ha of rainfall rice, 43,094 ha of lowland rice irrigated villages, 48,069 ha of lowland rice simple irrigated, and 67,457 ha of lowland rice irrigated semi-technical) and upland (gardens/ 329 528 ha, field for dry rice cultivation 132,240, and 595,516 ha of plantation) the greatest potential for development of soybean plants. Mechanical cultivation of soybean in lowland and dryland in almost the same. However, in some cases there are differences, especially the use of new varieties, land preparation, and delivery of lime /organic materials.Key words: soybean, technology, low land, dry land, West Sumatra.

Analisis Usaha Tani dan Kesejahteraan Petani pada Agroekosistem Lahan Kering di Pedesaan Patanas Sugiarto, Sugiarto
Jurnal Penelitian Pertanian Terapan Vol 10, No 2 (2010)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v10i2.251

The success of agriculture in economic development is maintaining national economic growth rate with broadening field of endeavor and to decrease poverty through income and welfare community improvement, especially farmer community in village. So that, this research gave a view of horticulture farm and income rate from various livelihoods, expending rate, and farmer household?s welfare who works in potato and cabbages farm. The research?s sites were taken from base agroekosistem dry land villages here are located in Panel Penelitian Nasional (Patanas)? site. The amount of respondent is 32 household. The result show that potato farm still suitable to do with each R/C ratio around 3.2 and cabagesb 2.8 in. Farmer?s household income was dominated with income of agriculture sector (46%-86%) beside of other sectors (14%-54%). Nevertheless farmer?s potato prosperous rate still low (NTPRT=0,9), and farmer?s cabbages are higher than one (NTPTP>1) It was showed that household?s potato still no welfares and cabbage farmer is welfares. Keywords : Farm, expenditure, income and welfare

Optimasi Penggunaan Asap Cair pada Pengawetan Bakso Filler Roti Sarono, Sarono
Jurnal Penelitian Pertanian Terapan Vol 10, No 1 (2010)
Publisher : Politeknik Negeri Lampung.

Sweet bread is a very popular food in Indonesia and the quality is largely determined by the filler used. Today, the bread is very varied filler that are the fruit aroma to chopped meatballs. The meatballs as a filler of sweet bread can only self life for no longer than 2 days, therefore it needs a preservation effort. One of technical preservation was application of liquid smoke. The research objective was to characterize of the meatballs as filler and of liquid smoke of coconut cell and to know the effect of concentration of liquid smoke to self life of sweet bread filled meatballs in storage. The results showed that dipping the meatballs in a liquid smoke was lowered taste, but only slightly affected the color, surface mucus, texture, and preference until the third day. The higher concentration of liquid smoke was the lower of total microbes in the meatball during storage. Liquid smoke was not advisable as a preservative in bread balls for sweet bread filler, because the concentration of smoke liquid 2% only decreased the bread taste. Keywords: Liquid smoke and meatballs bread filler

Efektifitas Pestisida Biologis Bacillus Cereus dan Bacillus Megaterium. sebagai Pengendali Spodoptera litura Fabr (Lepidoptera: Noctuidae) Agastya, I Made Indra; Afandhi, Aminudin; Aini, Luqman Qurata
Jurnal Penelitian Pertanian Terapan Vol 17, No 2 (2017)
Publisher : Politeknik Negeri Lampung.

This research was conducted in vitro in the laboratory. Studies conducted in the Laboratory of Bacteriology Department of Plant Pests and Diseases of the Faculty of Agriculture, University of Brawijaya, on the effectiveness of the bacteria Bacillus cereus and Bacillus megaterium as biological pesticides controlling Spodoptera litura. The objective of this study was to determine the effectiveness of the bacteria Bacillus sp as biological control. Effectiveness pesticide was measured by testing the incubation period and mortality in larvae of S. litura instar 3. This study used a completely randomized design (CRD), conducted observations every 6 hours until the larvae dead. The results showed that the percentage of mortality of S. litura reached 94.66% compared to the control, while the incubation time of the bacteria B. cereus cause disease until 29.84 hours. B. cereus and B. megaterium have the ability to incubate third instar larvae of S. litura up to 29.84 hours and caused the death of larvae up to 94.66%. Keywords: Biological pesticides, Bacillus cereus, Bacillus megaterium, entomopatogen, Spodoptera litura

Studi Sistem Tanam Jajar Legowo terhadap Peningkatan Produktivitas Padi Sawah Misran, Misran
Jurnal Penelitian Pertanian Terapan Vol 14, No 2 (2014)
Publisher : Politeknik Negeri Lampung.

The studies of row planting system ?legowo? to the increased productivity of lowland rice. This research aims to determine the best planting system in order to obtain optimum growth and yield. The experiment site in lowland farmers Piruko Sitiung, Dharmasraya district, West Sumatra, from May to September 2009. The research using a randomized block design (RBD) with 4 replications and 5 treatments planting systems, namely: (A) the Row ?Legowo? 2:1, (B) the Row ?Legowo? 4:1, (C) the Row ?Legowo? 6:1, (D) the Row ?Legowo? 8:1, and (e) Without the Row ?Legowo? Control. Fertilizers are used ; 200 kg Urea, 100 kg SP36, and 50 kg KCl/ha. Urea and KCl are given three times with brocasting system at 1, 4 , and 7 weeks after planting (wap), while the SP36 is given at 1 wap combined with Urea and KCl. The seeds used Batang Piaman variety planted three seedling per hill, spacing of 25x25 cm . Data were collected on; plant height , maximum number of tillers/hill, number of productive tiller/hill, yield components, and yield. The results showed that ?legowo? row planting system significantly affect the agronomic component plants, except at plant height. Against the yield components and the results also showed a marked influence on the percentage of empty grains unless and 1000 grain weight. ?Legowo? row planting system can increase the yield of dry grain harvest around 19.90 to 22%. This experiment suggests that in order to obtain optimum productivity of lawland rice is recommended to use of ?Legowo? row planting system. Keywords : ?Legowo? row planting system, productivity, lawland rice.

Karakterisasi Bahan Anti Browning dari Ekstrak Air Buah Jambu Batu (Psidium guajava Linn) pada Buah Apel Malang (Malus sylvestris (L.) Mill) Husaini, Oktarina; Zulkifli, Zulkifli; Lande, Martha L.; Nurcahyani, E.
Jurnal Penelitian Pertanian Terapan Vol 17, No 2 (2017)
Publisher : Politeknik Negeri Lampung.

The purpose of this study was to prove that the water extract of guava pulp can hinder the process of browning in apples Malang. The research was conducted in October - November 2016 in the Laboratory of Plant Physiology, Department of Biology, Faculty of Mathematics and Natural Sciences, University of Lampung. This study uses a completely randomized design (CRD) with 6 degree of concentration of water extract of the fruit flesh guava: control (Citric acid 2% w/v), 0% v/v, 25% v/v, 50% v/v, 75 % v/v, 100% v/v. Browning index is determined based on the absorbance of the extract of apple Malang at a wavelength of 420 nm. Total soluble carbohydrate content was determined by the phenol-sulfuric method, while estimating dehydrogenase enzyme activity by methylene blue method. Levene's test for homogeneity, analysis of variance and LSD test was carried out at 5% significance level. Water extract of guava fruit has the same effectiveness with citric acid 2% w/v in inhibiting browning apples Malang. Similarly, the water extract of guava fruit as well as citric acid 2% w/v has the same effect on total soluble carbohydrate content and the activity of the enzyme dehydrogenase. Water extract of guava fruit has the same effectiveness with citric acid 2% w/v except for 100% concentration on reducing sugar level. The final conclusion is that the water extract of guava fruit has the different characteristics as citric acid 2% w/v in inhibiting browning in apples Malang.

Keragaan Penyaluran Kredit Ketahanan Pangan dan Energi (KKP-E) di Kabupaten Jember Sugiarto, Sugiarto
Jurnal Penelitian Pertanian Terapan Vol 11, No 3 (2011)
Publisher : Politeknik Negeri Lampung.

Kredit Ketahanan Pangan dan Energi (KKP-E) is a perfecting program credit form Kredit Ketahanan Pangan (KKP) whiich done in 2007, the purpose is to help farmer in farming capital. This research showed that the bigest used of KKP-E is in sugar cane farming, then in crop and livestock. Nevertheless, the distribution of the credit is blocked by smooting time to farmer, especially for horticulture KKP-E which will block season. Beside standarad condition which fund is distribution of credit come from banking (executing). Banking has 5 C (Collateral, Caracter, Capacity, Capitan and Condition), and gentioneraly the most difficult condition is colleteral. The spead of farmer as debitur has not achieved all around and only limited to farmer in area which is organised in farmer group organization. So that, it is suggested to have socialization activity together among agency and banking ti ditribute KKP-E to farmer/farmer group. Keywords: KKP ? E credit, performance

Efisiensi Teknis Usaha Tani Padi Organik Lahan Sawah Tadah Hujan di Kabupaten Tanggamus Provinsi Lampung Murniati, Ktut; Mulyo, Jangkung Handoyo; Irham, Irham; Hartono, Slamet
Jurnal Penelitian Pertanian Terapan Vol 14, No 1 (2014)
Publisher : Politeknik Negeri Lampung.

Research on technical efficiency of organic rice farming was conducted in Tampang Tua Vallage, Pematang Sawa District,Tanggamus Regency, Lampung Province. by using the respondents were 60 people taken by the census of the entire organic rice farmers. The aim of this research to analyze technical efficiency, factors influencing technical efficiency, and source of technical inefficiency of rainfed farm organic rice. Technical efficiency is measured by using frontier production function and is istimated using MLE method with Frontier 4.1c computer program. Estimation source of technical inefficiency applies linear regression model that approach simultaneously using frontier production function. The research result indicates that most variables are significant and have expected signs, except for organik solid feltilizer has not significant. The research olso find that the level of technical efficiency varies from 0.423 to 0.999 with the average of 836. Furthermore, variables of farmers education levels, farm organic rice experience, age of the farmers, frekuency of farmers agricultural extentions, and farmer perception on climate change are influencing to reduce technical inefficiency. Keywords: technical efficiency, organic rice, and rainfed paddy field

Efikasi Herbisida Metil Metsulfuron Terhadap Gulma pada Pertanaman Kelapa Sawit (Elaesis guinensis Jacq.) yang Belum Menghasilkan (TBM Khasanah, Nurul Hidayati; Sriyani, Nanik; Evizal, Rusdi
Jurnal Penelitian Pertanian Terapan Vol 15, No 1 (2015)
Publisher : Politeknik Negeri Lampung.

The objectives of this research were to find out the efficacy of metsulfuron methyl herbicide to weeds of unproductive yet oil palm, to find out the growing weeds composition change after application, and to findout the influence. This research was conducted in randomizedgroup design with 8 treatments of metsulfuron methyl dosages of 15, 20, 25, 40, and 50 h.ha-1, mechanical weeds removal, with control, and 4 repetitions. Variance homogeneity was tested with Bartlett test and data addition was tested with Tukey test. Differences in median tested using Least Significant Differenc (LSD) level 5%. The results showed that: (1) 15 to 50g.ha-1 metsulfuron methyl dosages were effective to oppress total weed scovering, total weeds toxicity anwide leaf weeds dry weight12 weeks after application (WAA), grass type weeds dry weight at particular dosages to 4 (WAA) and dry weight of dominant weeds including Cynodon dactylon, Commelina benghalensis and Centro semapubescens; (2) various dosages to test caused composition changes of weeds types in observation 2 to 12 (WAA); (3) weeds controlling in various dosages to test did not poison leafs and roots of unproductive yet oil palm. Keywords: Metsulfuron methyl, weeds, unproductive yet oil palm.

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